55/21 = 213/21
21/55 = ~0.381818
It is 55 minus 21 = 34
The product of 55 and 75 is not a multiple of 100
The Least Common Multiple of 21 and 55 is 1155.
21
6*55 = 330
1, 3, 7, 21 1, 5, 11, 55
55/105 = 11/21
55 x 45 = 2475
Let the numbers be x and y x+y=55 and x-y=21 Now since x-y=21 x=21+y. Plug that into the first equation. 21+y+y=55 or 21+2y=55 so 2y=55-21=34 and y =17 Now since 17+x=55, we immediately see that x=38.
11x5